53 citations · 144 across the 20 of their papers we have counts for
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cs.IT2013★ 10 cited
New bounds for circulant Johnson-Lindenstrauss embeddings
Hui Zhang, Lizhi Cheng
This paper analyzes circulant Johnson-Lindenstrauss (JL) embeddings which, as an important class of structured random JL embeddings, are formed by randomizing the column signs of a…
cs.IT2012★ 53 cited
Necessary and sufficient conditions of solution uniqueness in minimization
Hui Zhang, Wotao Yin, Lizhi Cheng
This paper shows that the solutions to various convex minimization problems are \emph{unique} if and only if a common set of conditions are satisfied. This result applies…
cs.IT2012★ 3 cited
Strongly Convex Programming for Exact Matrix Completion and Robust Principal Component Analysis
Hui Zhang, Jian-Feng Cai, Lizhi Cheng +1
The common task in matrix completion (MC) and robust principle component analysis (RPCA) is to recover a low-rank matrix from a given data matrix. These problems gained great atten…